Category : Arithmetic

Arithmetic is the ground of mathematics used in the traditional operations of addition, subtraction, multiplication and division. See how it can be entertaining.

Zenzizenzizenzic is an obsolete form of mathematical notation representing the eighth power of a number (that is, the zenzizenzizenzic of a number x is the power x8), dating ... -->
Author: 2 years ago
The Riemann hypothesis is a mathematical conjecture. Many people think that finding a proof of the hypothesis is one of the hardest and most important unsolved problems ... -->
Author: 2 years ago
In number theory, a weird number is a natural number that is abundant but not semiperfect. In other words, the sum of the proper divisors (divisors including 1 but not itself) ... -->
Author: 3 years ago
The term gambler's ruin is used for a number of related statistical ideas: The original meaning is that a gambler who raises his bet to ... -->
Author: 3 years ago
In mathematics, the infimum (plural infima) of a subset S of a partially ordered set T is the greatest element of T that is less than or equal to all elements of S. Consequently the ... -->
Author: 3 years ago
In number theory, a full reptend prime or long prime in base b is a prime number p such that the formula (where p does not divide b) gives a cyclic number. Therefore the digital expansion of  in ... -->
Author: 3 years ago
In mathematics, the Perrin numbers are defined by the recurrence relation P(0) = 3, P(1) = 0, P(2) = 2,and P(n) = P(n − 2) + P(n − 3) for n > 2.The sequence ... -->
Author: 3 years ago
In geometry, the spiral of Theodorus (also called square root spiral, Einstein spiral or Pythagorean spiral) is a spiral composed ofcontiguous right triangles. It was first constructed by Theodorus of Cyrene. Construction The spiral ... -->
Author: 3 years ago
Sicherman dice are the only pair of 6-sided dice that are not normal dice, bear only positive integers, and have the same probability distribution for the sum as normal ... -->
Author: 3 years ago